We study the optimal design of corporate taxation and R&D policies as a dynamic mechanism problem with spillovers. Firms have heterogeneous research productivity, that productivity is private information. There are non‐internalized technological spillovers across firms, but asymmetric information prevents government from correcting them in first best way. highlight key parameters for (i) re...

this paper tries to survey irans regional labor market disequilibrium within 1996-2000. according to the results there has been an increase in the amount of disequilibrium of irans national as well as regional labor markets. incomplete labor market information on vacant job opportunities in different regions of the country along with high costs of migration have been the major causes of unemplo...

CALIFORNIA AGRICULTURE Progress Reports of Agricultural Research published monthly by the University of Cali: fornia Division of Agricultural Sciences. William W. Paul . . . . . . . . . . . . . .Manager Agricultural Publications Jer ry Lester . . . . . . . . . . . . . . . . . . . .Editor Eleanore Browning . . . . . .Assistant Editor California Agriculture Articles published herein may be republ...

In this paper, we take the establishment of Poyang Lake Eco-Economic Zone in 2009 as a quasi-natural experiment, to evaluate its influence on the agricultural labor productivity in Jiangxi Province, China. The estimation results of the DID method show that the establishment of the zone reduced agricultural labor productivity by 3.1%, lowering farmers’ net income by 2.5% and reducing the agricul...

dam reservoirs supply potable, agricultural, and industrial water in most cities of iran. due to lack of proper operational rules or unbalanced demand versus water resources volume, (along operating time) correction in operational rules is required to fulfill current situations. hence the goal of this study is to optimize the qeshlaq dam reservoir operation rules to maximize the water release f...